diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b7116ef..edc872e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -9,6 +9,7 @@
 #include <linux/ieee80211.h>
 #include <linux/nl80211.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <linux/rcupdate.h>
 #include <net/cfg80211.h>